Nintaco (2019/04/07) is released. Nintaco is a work in progress. It is a NES-Famicom-Dendy emulator written in Java 8, ostensibly making it cross-platform. The full source will be made available per LGPLv2.1.

Getting Started
If double-clicking the jar does not automatically launch the emulator, try: java -jar Nintaco.jar
Configure input: Options | Button Mapping...
If you are using an 8 button controller, such as a USB NES gamepad, try mapping Rewind Time to Start + B.
If you want to resume at arbitrary points in the past: Tools | Watch History... and Resume Here

Nintaco (2019/04/07) changelog
- Fixed issue with FDS drive activity indicator that was logging exceptions for unsupported lock keys.
- Added Kana Lock as an option for the FDS drive activity indicator.
- When moving out of a directory during file selection, the dialog now highlights the old directory.
- Added more NES 2.0 mappers.

Download: Nintaco (2019/04/07)
Source:Here